2,3,4-Trimethoxyamphetamine

TMA-3
Clinical data
Other names	2,3,4-TMA; TMA-3; α-Methylisomescaline
Routes of; administration	Oral
Drug class	Serotonin receptor modulator; Serotonergic psychedelic; Hallucinogen
ATC code	None;
Pharmacokinetic data
Duration of action	Unknown
Identifiers
	IUPAC name 1-(2,3,4-trimethoxyphenyl)propan-2-amine;
CAS Number	1082-23-1;
PubChem CID	31012;
ChemSpider	28771;
UNII	9T3SO4A6HM;
ChEMBL	ChEMBL30777;
CompTox Dashboard (EPA)	DTXSID60874365 ;
Chemical and physical data
Formula	C12H19NO3
Molar mass	225.288 g·mol−1
3D model (JSmol)	Interactive image;
	SMILES CC(CC1=C(C(=C(C=C1)OC)OC)OC)N;
	InChI InChI=1S/C12H19NO3/c1-8(13)7-9-5-6-10(14-2)12(16-4)11(9)15-3/h5-6,8H,7,13H2,1-4H3; Key:LWDQPPLPHGXYLG-UHFFFAOYSA-N;

2,3,4-Trimethoxyamphetamine (2,3,4-TMA), also known as TMA-3 or as α-methylisomescaline, is a putative psychedelic drug of the phenethylamine and amphetamine families. It is one of the possible positional isomers of trimethoxyamphetamine and is a positional isomer of 3,4,5-trimethoxyamphetamine (TMA or TMA-1).